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We show that the fully polarized triplet s-wave component is characterizednot only by the spin direction, but also by chirality. Interaction of apolarized triplet component and a singlet one results in creation of tripletCooper pairs with opposite spin direction or of different chiralities. Suchspin transformation leads to interesting phenomena in multiterminal magneticJosephson junctions. We calculate the dc Josephson current $I_{\text{J}}$ in amultiterminal Josephson contact of the S$_{\text{m}}$/n/S$_{\text{m}}^{\prime}$type with "magnetic" superconductors S$_{\text{m}}$ that generate fullypolarized triplet components. The superconductors S$_{\text{m}}$ are attachedto magnetic insulators (filters) which let to pass electrons with a fixed spindirection only. The filter axes are assumed to be oriented antiparallel to eachother. The Josephson current is zero in two-terminal Josephson junction, i.e.,in S/n/S$_{\text{m}}$ or in S$_{\text{m}}$/n/S$_{\text{m}}^{\prime}$ contact.But in the three-terminal Josephson junction, with another S superconductorattached to the normal wire, the finite current $I_{\text{J}}$ appears flowingfrom the S~superconductor to S$_{\text{m}}$ superconductors. The currentsthrough the right (left) superconductors S$_{\text{m}}$ are opposite in sign,${I_{\text{R}} \equiv I_{\text{J}} = I_{\text{c}} \sin (\chi_{\text{R}} +\chi_{\text{L}} - 2 \chi) = - I_{\text{L}}}$, where $\chi_{\text{L/R}}$ and$\chi$ are the phases of superconductors S$_{\text{m}}$,S$_{\text{m}}^{\prime}$, and S, respectively. We discuss possibilities ofexperimental observation of the effect.

Chirality and spin transformation of triplet Cooper pairs upon interaction with singlet condensate